package face.pay.util;

import org.apache.commons.lang3.StringUtils;

public class FaceStringBuffer {

    String str = "";

    public FaceStringBuffer(String a) {
            if(StringUtils.isNotBlank(a)){
                this.str = a;
            }
    }

    public FaceStringBuffer() {
    }

    public FaceStringBuffer add(String a){
        if(StringUtils.isNotBlank(a)){
            this.str +=a;
        }
        return this;
    }

    @Override
    public String toString() {
        return this.str;
    }
}
